package com.sky.mapper;

import com.sky.annotation.AutoFill;
import com.sky.entity.ShoppingCart;
import com.sky.enumeration.OperationType;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 根据条件进行查询
      */
    List<ShoppingCart> queryByParams(ShoppingCart shoppingCart);

    @Update("update shopping_cart set number = number + 1 where id = #{id}")
    void incremetNumById(Long id);

    @AutoFill(OperationType.INSERT)
    @Insert("insert into shopping_cart(name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) " +
            "values (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime})")
    void save(ShoppingCart shoppingCart);

    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

    /**
     * 根据ID进行删除
     * @param id
     */
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);

    @Update("update shopping_cart set `number` = `number` - #{num} where id = #{id}")
    void decrementNumberById(@Param("id") Long id, @Param("num") int num);


    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
